key

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Low metallicity is a key indicator of age.

From Science Daily • Apr. 4, 2026

It has also carried out strikes on luxury hotels, radar installations, energy facilities in multiple countries, key ports, U.S. embassies across the region, and even Amazon data centers.

From The Wall Street Journal • Apr. 4, 2026

He told Europe's nuclear summit that "nuclear power is key to reconciling both independence, and thus energy sovereignty, with decarbonisation, and thus carbon neutrality".

From BBC • Apr. 3, 2026

But Coogan and Hays insist they are not journalists, even if they line up interviews with key figures in the industry who offer insightful access to the Silicon Valley world.

From Barron's • Apr. 3, 2026

“If you trust us with your key, that is.”

From "An Elephant in the Garden" by Michael Morpurgo